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| Mirrors > Home > ILE Home > Th. List > sgrpmgm | GIF version | ||
| Description: A semigroup is a magma. (Contributed by FL, 2-Nov-2009.) (Revised by AV, 6-Jan-2020.) |
| Ref | Expression |
|---|---|
| sgrpmgm | ⊢ (𝑀 ∈ Smgrp → 𝑀 ∈ Mgm) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2196 | . . 3 ⊢ (Base‘𝑀) = (Base‘𝑀) | |
| 2 | eqid 2196 | . . 3 ⊢ (+g‘𝑀) = (+g‘𝑀) | |
| 3 | 1, 2 | issgrp 13105 | . 2 ⊢ (𝑀 ∈ Smgrp ↔ (𝑀 ∈ Mgm ∧ ∀𝑥 ∈ (Base‘𝑀)∀𝑦 ∈ (Base‘𝑀)∀𝑧 ∈ (Base‘𝑀)((𝑥(+g‘𝑀)𝑦)(+g‘𝑀)𝑧) = (𝑥(+g‘𝑀)(𝑦(+g‘𝑀)𝑧)))) |
| 4 | 3 | simplbi 274 | 1 ⊢ (𝑀 ∈ Smgrp → 𝑀 ∈ Mgm) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 = wceq 1364 ∈ wcel 2167 ∀wral 2475 ‘cfv 5259 (class class class)co 5925 Basecbs 12703 +gcplusg 12780 Mgmcmgm 13056 Smgrpcsgrp 13103 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 ax-un 4469 ax-cnex 7987 ax-resscn 7988 ax-1re 7990 ax-addrcl 7993 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-sbc 2990 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-uni 3841 df-int 3876 df-br 4035 df-opab 4096 df-mpt 4097 df-id 4329 df-xp 4670 df-rel 4671 df-cnv 4672 df-co 4673 df-dm 4674 df-rn 4675 df-res 4676 df-iota 5220 df-fun 5261 df-fn 5262 df-fv 5267 df-ov 5928 df-inn 9008 df-2 9066 df-ndx 12706 df-slot 12707 df-base 12709 df-plusg 12793 df-sgrp 13104 |
| This theorem is referenced by: sgrpcl 13111 mndmgm 13124 dfgrp2 13229 dfgrp3me 13302 mulgnndir 13357 mulgnnass 13363 rngcl 13576 |
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